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Intel Core Ultra 7 255HX vs Intel Core i5 8400 - Comparison and Performance Benchmarks

Products Being Compared

Product 1: Intel Core Ultra 7 255HX Specifications | Product 2: Intel Core i5 8400 Specifications

Main Comparison Summary

Comparing Intel Core Ultra 7 255HX vs Intel Core i5 8400: L3 Cache leads by 233.3%, Clock Speed lags by 14.3%, Power Consumption differs by 15.4%, Core Count leads by 233.3%, Thread Count leads by 233.3%

Due to frequently updated benchmark data from multiple sources, if the comparison table doesn't cover all metrics, please visit the CPU Ranking List or GPU Ranking List for precise queries.

Complete Specifications Comparison

Specification
Intel Core Ultra 7 255HX
Intel Core i5 8400
Manufacturer Intel Intel
Launch Price ($) -- 182
Series Core Ultra 7 Core i5
Release Year 2025 ↑ 2017
Market Laptop Desktop
Frequency (M/GHz) 2.4 2.8 ↑
Turbo Clock (M/GHz) 5.2 ↑ 4
Threads 20 ↑ 6
Cores 20 ↑ 6
Cache L3 (MB) 30 ↑ 9
Memory Support DDR5 DDR4
Socket BGA 2114 Intel Socket 1151
Integrated Graphics Arc Xe-LPG Graphics 64EU UHD Graphics 630
Process Size (nm) 3 14 ↑
TDP (W) 55 65 ↑
Cinebench R23 -- 5852
Geekbench -- --

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